What are the most common types of tarsal coalition?
calcaneonavicular (~45%) and talocalcaneal (~45%).
What are the other types of tarsal coalition?
Calcaneocuboid, talonavicular and cubonavicular.
Name the tarsal bones.
They are named the calcaneus, talus, cuboid, navicular, and the medial, middle, and lateral cuneiforms
1. Partial talonavicular coalition is incidentally noted on the foot exam with osseous fusion of the talus and navicular laterally. Further evaluation with CT and or MRI of the left foot may be performed as clinically indicated.
2. No definite acute displaced fracture or dislocation in the ankle and foot.
3. The distal fibular and tibial growth plates have fused.
4. The ankle mortise is intact. The bone density is normal.
5. Mild-to-moderate diffuse soft tissue swelling of the distal lower leg mainly laterally.